Bugler Jay Elmore., of Dalals, warms up for the Call to the Post between races of the thoroughbred horse racing season-opener at Lone Star Park at Grand Prairie, Texas, on Thursday, April 10, 2014. (AP Photo/The Dallas Morning News, Tom Fox) MANDATORY CREDIT, NO SALES, MAGS OUT, TV OUT, INTERNET USE BY AP MEMBERS ONLY

Photo: Tom Fox, Associated Press

Bugler Jay Elmore., of Dalals, warms up for the Call to the Post...

Bugler Jay Elmore., of Dalals, warms up for the Call to the Post... Photo-6151301.83707 - SFGate

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An Indian woman casts her vote at a polling booth in Shahpur village in Muzaffarnagar, in the northern Indian state of Uttar Pradesh, Thursday, April 10, 2014. Indians voted in the crucial third phase of national elections Thursday, with millions going to the polls in the heartland states that are essential to the main opposition Hindu nationalist party's bid to end the 10-year rule of Congress party. (AP Photo/Altaf Qadri)

Photo: Altaf Qadri, Associated Press

An Indian woman casts her vote at a polling booth in Shahpur...

An Indian woman casts her vote at a polling booth in Shahpur... Photo-6146830.83707 - SFGate

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Students and parents are reunited after a lockdown in response to a shooting in the parking lot of Liberty Elementary. The lock down happened just minutes before the students there were to be dismissed, Thursday, April 10, 2014 in Columbus, Ohio. (AP Photo/Columbus Dispatch, Courtney Hergesheimer)

Photo: Courtney Hergesheimer, Associated Press

Students and parents are reunited after a lockdown in response to a...

Students and parents are reunited after a lockdown in response to a... Photo-6151306.83707 - SFGate

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ATHENS, GREECE - APRIL 10: Forensic police examine the scene after a car bomb explosion in central Athens on April 10, 2014 in Athens, Greece. The bomb exploded outside a Bank of Greece building in central Athens before dawn Thursday, causing some damage but no injuries. The blast came hours before Greece was to return to the international bond markets for the first time in four years, and a day before German Chancellor Angela Merkel was to visit Athens. (Photo by Milos Bicanski /Getty Images) *** BESTPIX ***

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A tourist reads a map as she sits outside a historical building in downtown Kuala Lumpur on April 10, 2014. Malaysia has declared 2014 as 'Visit Malaysia' year to boost the economy via the tourism industry. AFP PHOTO/ MANAN VATSYAYANAMANAN VATSYAYANA/AFP/Getty Images

Photo: Manan Vatsyayana, AFP/Getty Images

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A tourist reads a map as she sits outside a historical...

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A tourist reads a map as she sits outside a historical... Photo-6151296.83707 - SFGate

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Policemen rest while guarding the entrance of the Parliament duilding in Taipei on April 10, 2014. Taiwanese protesters ended their occupation of parliament on April 10, three weeks after taking over the main chamber to protest against a contentious trade pact with China. AFP PHOTO / SAM YEHSAM YEH/AFP/Getty Images

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Indian voters pose with their voting slips as they stand in a line to cast their vote outside a polling station at Dabua village on the outskirts of Faridabad on April 10, 2014, during the third stage of voting for national elections in the northern state of Haryana. India's upstart anti-graft party faced a key test as the national capital voted in the first major phase of the country's marathon general elections. The third phase of voting began at 7:00 am (0130 GMT) in 91 constituencies, representing nearly a fifth of the 543-seat lower house, across the capital and 13 other states, including Maoist insurgency-hit eastern India.AFP PHOTO/ SAJJAD HUSSAINSAJJAD HUSSAIN/AFP/Getty Images

Photo: Sajjad Hussain, AFP/Getty Images

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Indian voters pose with their voting slips as they stand...

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Indian voters pose with their voting slips as they stand... Photo-6151297.83707 - SFGate

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Protesters use their phones to show lights outside the parliament building after an occupy protest ended over a contentious trade pact with China, in Taipei on April 10, 2014. Taiwanese protesters ended their occupation of parliament on April 10, three weeks after taking over the main chamber to protest against a contentious trade pact with China.AFP PHOTO / Mandy CHENGMandy Cheng/AFP/Getty Images

Photo: Mandy Cheng, AFP/Getty Images

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Protesters use their phones to show lights outside the...

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Protesters use their phones to show lights outside the... Photo-6151300.83707 - SFGate

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A pro-Russian protester guards a barricade outside the regional state administration building in the eastern Ukrainian city of Donetsk on April 10, 2014. Ukraine's acting president promised today not to prosecute pro-Russian militants occupying government buildings if they lay down their arms and end their siege. AFP PHOTO / ALEXANDER KHUDOTEPLYAlexander KHUDOTEPLY/AFP/Getty Images

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Kashmiri Muslim women watch as Jammu and Kashmir Libration Front Chairman (JKLF), Yasin Malik (unseen) addresses an anti-election rally in Bandipora, north of Srinagar on April 10,2014. Malik visited different places to mobilise support for their call to boycott the ongoing parliamentary elections in Kashmir. Indians have begun voting in the world's biggest election which is set to sweep the Hindu nationalist opposition to power at a time of low growth, anger about corruption and warnings about religious unrest. AFP PHOTO/Tauseef MUSTAFATAUSEEF MUSTAFA/AFP/Getty Images

Federal law enforcement officers block a road at the Lake Mead National Recreation Area near Overton, Nev. Thursday, April 10, 2014. In the foreground are the shadows of protestors. Two people were detained while protesting the roundup of cattle owned by Cliven Bundy on the road. (AP Photo/Las Vegas Review-Journal, John Locher)

Indonesian soldiers train their weapons at an airplane piloted by 65 year-old Heinz Peier of Switzerland after it was intercepted by Indonesian jet fighters and forced to land at Soewondo Air Base in Medan, North Sumatra, Indonesia, Thursday, April 10, 2014. Peier was on a ferry flight from Colombo to Singapore when he entered Indonesian airspace illegally, an Air Force official said. (AP Photo/Binsar Bakkara)

After carving a large block of snow off the roof of the Paradise Inn, maintenance workers, Jonathan Lawton, left, and his brother, Daniel Lawton, toss the icy block down the snow bank as the clear the hotel's roof on Thursday, April 10, 2014 at the Paradise area of Mount Rainier National Park. The road between Longmire and Paradise at the national park is now open over night. The Paradise Inn plans to open its doors May 21, 2014. (AP Photo/The Chronicle, Pete Caster)

Photo: Pete Caster, Associated Press

After carving a large block of snow off the roof of the Paradise...

After carving a large block of snow off the roof of the Paradise... Photo-6151303.83707 - SFGate

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A helicopter fights a brush fire in Edison, N.J., Thursday, April 10, 2014. The fire burned 35 to 40 acres near the Raritan Center, an industrial complex in Edison, about 30 miles southwest of Manhattan. (AP Photo/Mel Evans)

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This picture taken with an underwater camera shows Quentin Coton competing in a men's 200m breaststroke serie on April 10, 2014 during the French Swimming championships in Chartres. AFP PHOTO / DAMIEN MEYERDAMIEN MEYER/AFP/Getty Images

Photo: Damien Meyer, AFP/Getty Images

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This picture taken with an underwater camera shows...

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This picture taken with an underwater camera shows... Photo-6151295.83707 - SFGate

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With the Jefferson Memorial in the background, Steven Paska, 26, right, of Arlington, Va., kneels as he asks Jessica Deegan, 27, his girlfriend of two years, to marry him, near cherry blossom trees in peak bloom along the tidal basin in Washington, Thursday, April 10, 2014. Deegan said yes to the surprise proposal. (AP Photo/Jacquelyn Martin)

Photo: Jacquelyn Martin, Associated Press

With the Jefferson Memorial in the background, Steven Paska, 26,...

With the Jefferson Memorial in the background, Steven Paska, 26,... Photo-6151304.83707 - SFGate